Pingali Venkayya, who designed the Indian National Flag, was from:

The correct answer is: b) Andhra Pradesh.

Pingali Venkayya was born in Machilipatnam, Andhra Pradesh, in 1876. He was a freedom fighter and social reformer who is best known for designing the Indian National Flag. He was a member of the Indian National Congress and was involved in the Non-Cooperation Movement. He also worked for the upliftment of the poor and the downtrodden.

The other options are incorrect. Maharashtra is a state in western India. Gujarat is a state in western India. Karnataka is a state in southern India.